//点击弹出大菜单
let ico=document.querySelector('.nav .ico')
let navBou=document.querySelector('.navBou')
ico.onclick=function(){
  if(navBou.style.height=='0vh'){
    navBou.style.height='90vh' 
    navBou.style.borderTop='1px solid #8b8264'
  }else{
    navBou.style.height='0vh'
    navBou.style.borderTop='none'
  }
}
//点击弹出大菜单
let ico_en=document.querySelectorAll('.navBou > div')
ico_en.forEach(el=>{
  el.onclick=function(){
    let curs=document.querySelectorAll('.navBou > .cur')
    console.dir(el.className);
    console.dir(el);
    if(el.className==''){
      el.className='cur'
      curs.forEach(cur=>cur.className='')
    }else{
      el.className=''
    }
   
  }
})